[PATCH v10 0/3] Support pwm/tach driver for aspeed ast26xx

Krzysztof Kozlowski krzysztof.kozlowski at linaro.org
Tue Nov 7 21:42:54 AEDT 2023

On 07/11/2023 11:39, Billy Tsai wrote:
> Unlike the old design that the register setting of the TACH should based
> on the configure of the PWM. In ast26xx, the dependency between pwm and
> tach controller is eliminated and becomes a separate hardware block. One
> is used to provide pwm output and another is used to monitor the frequency
> of the input. This driver implements them by exposing two kernel
> subsystems: PWM and HWMON. The PWM subsystem can be utilized alongside
> existing drivers for controlling elements such as fans (pwm-fan.c),
> beepers (pwm-beeper.c) and so on. Through the HWMON subsystem, the driver
> provides sysfs interfaces for fan.
> Changes since v9:
> Change the type of fan-driving-mode to string
> Fix some typos and formatting issues.

Please run scripts/checkpatch.pl and fix reported warnings. Some
warnings can be ignored, but the code here looks like it needs a fix.
Feel free to get in touch if the warning is not clear.

Best regards,

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